{"version":"1.0","type":"card","id":"ac5b119e-ecf4-430c-94e1-e8070d992f74","url":"https://stacklist.com/card/ac5b119e-ecf4-430c-94e1-e8070d992f74","title":"Build a strong upper body in 20–30 minutes with just two dumbbells","source_url":"https://www.instagram.com/reel/DK8c4JUIu7H/?igsh=MWpqbThqbXMyeTAwcA==","note":"Learn a quick and efficient workout to build upper body strength with jon.atlas.fitness. This 20-30 minute routine uses only dumbbells and is perfect for busy men over 35 who want to get strong without wasting time. Follow along and tag a friend who needs to prioritize arm day!","image":{"url":"https://ucarecdn.com/28875d0d-3e19-49b0-8e61-1d54662b4e87/","alt":"Build a strong upper body in 20–30 minutes with just two dumbbells","width":1200,"height":630},"stack":{"id":"883b1e9b-1a8b-4cdb-af7d-9d1b5a157170","title":"Exercise","url":"https://stacklist.com/stack/883b1e9b-1a8b-4cdb-af7d-9d1b5a157170"},"created_at":"2025-08-25T18:10:54.314Z","updated_at":null,"aco":null,"_links":{"self":"/api/public/card/ac5b119e-ecf4-430c-94e1-e8070d992f74.json","html":"https://stacklist.com/card/ac5b119e-ecf4-430c-94e1-e8070d992f74","md":"/api/public/card/ac5b119e-ecf4-430c-94e1-e8070d992f74.md","stack_json":"/api/public/stack/883b1e9b-1a8b-4cdb-af7d-9d1b5a157170.json"}}